OPTICAL TRANSMISSION MODULE
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United States of America Patent
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Issued Date -
Aug 8, 2024
app pub date -
Feb 2, 2024
filing date -
Feb 8, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
An optical transmission module according to one embodiment includes: a metal stem having a signal terminal extending in a first direction and a support portion extending in the first direction; a dielectric block containing a dielectric material and having a semiconductor mounting surface and a heat conduction surface; an optical semiconductor element mounted on the semiconductor mounting surface; a temperature control element disposed between the metal stem and the heat conduction surface; a relay board for electrically connecting the signal terminal to the optical semiconductor element; and a heat insulation spacer having an insulation property and connected between the support portion and the relay board. Thermal conductivity of the heat insulation spacer is lower than the thermal conductivity of the support portion and lower than the thermal conductivity of the relay board.
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